Home / 19,998.40-29,997.62-14,807.92

Finding the Fourth Proportional to 19,998.40, 29,997.62 and 14,807.92

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Solution

The fourth proportional to 19,998.40, 29,997.62 and 14,807.92 is: 22,211.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,998.40 : 29,997.62 = 14,807.92 : x
  2. Step 2: Convert to fraction form
    19,998.40/29,997.62 = 14,807.92/x
  3. Step 3: Cross multiply
    19,998.40x = 29,997.62 × 14,807.92
  4. Step 4: Simplify right side
    19,998.40x = 444,202,357.15
  5. Step 5: Solve for x
    x = 444,202,357.15/19,998.40
  6. Step 6: Final answer
    x = 22,211.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.